io.vertx.core.dns.impl.netty.decoder.StartOfAuthorityDecoder Maven / Gradle / Ivy
/*
* Copyright (c) 2013 The Netty Project
* ------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.vertx.core.dns.impl.netty.decoder;
import io.netty.buffer.ByteBuf;
import io.vertx.core.dns.impl.netty.DnsResource;
import io.vertx.core.dns.impl.netty.DnsResponse;
import io.vertx.core.dns.impl.netty.DnsResponseDecoder;
import io.vertx.core.dns.impl.netty.decoder.record.StartOfAuthorityRecord;
/**
* Decodes SOA (start of authority) resource records.
*/
public class StartOfAuthorityDecoder implements RecordDecoder {
/**
* Returns a decoded SOA (start of authority) resource record, stored as an
* instance of {@link StartOfAuthorityRecord}.
*
* @param response
* the DNS response that contains the resource record being
* decoded
* @param resource
* the resource record being decoded
*/
@Override
public StartOfAuthorityRecord decode(DnsResponse response, DnsResource resource) {
ByteBuf packet = response.content().readerIndex(resource.contentIndex());
String mName = DnsResponseDecoder.readName(packet);
String rName = DnsResponseDecoder.readName(packet);
long serial = packet.readUnsignedInt();
int refresh = packet.readInt();
int retry = packet.readInt();
int expire = packet.readInt();
long minimum = packet.readUnsignedInt();
return new StartOfAuthorityRecord(mName, rName, serial, refresh, retry, expire, minimum);
}
}